Footwear sole



FIG. 1 is a front perspective view of footwear sole;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is an outer side view thereof;

FIG. 5 is an inner side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a bottom perspective view thereof.

The broken lines depict unclaimed portions of the footwear sole as well as environmental structure in the form of footwear that forms no part of the claimed design. 

CLAIM The ornamental design for footwear sole, as shown and described. 